export function export2Excel(columns,list){
  require.ensure([], () => {
      const { export_json_to_excel } = require('../excel/Export2Excel');
      let tHeader = []
      let filterVal = []
      console.log(columns)
      if(!columns){
          return;
      }
      columns.forEach(item =>{
          tHeader.push(item.title)
          filterVal.push(item.key)
      })
      const data = list.map(v => filterVal.map(j => v[j]))
      export_json_to_excel(tHeader, data, '数据列表');
  })
}